US4832786A - Splicing device for sheet material - Google Patents

Splicing device for sheet material Download PDF

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Publication number
US4832786A
US4832786A US07/097,195 US9719587A US4832786A US 4832786 A US4832786 A US 4832786A US 9719587 A US9719587 A US 9719587A US 4832786 A US4832786 A US 4832786A
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US
United States
Prior art keywords
supporting
supporting plane
gripping
splicing
sheets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US07/097,195
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English (en)
Inventor
Luciano Meschi
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Individual
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Individual
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Publication date
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Publication of US4832786A publication Critical patent/US4832786A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/04—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/58—Supply holders for sheets or fan-folded webs, e.g. shelves, tables, scrolls, pile holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H21/00—Apparatus for splicing webs

Definitions

  • the present invention relates to a splicing device for a sheet material and, more specifically to a device for the overhead splicing, by means of self-adhesive tape, of the end sheets of two packages of sheet material, wherein the sheet material is in form of a continuous strip previously folded in an accordion like manner.
  • the rate by which a form package of 2-3000 sheets is exhausted is such that the inserting time of a novel package causes the operating rate and consequently the production rate of the printers to be reduced in an untolerable degree.
  • the main purpose of the present invention is that of providing an improved and simplified splicing device.
  • a splicing device for sheet material of the type in which two sheets to be spliced, particularly forming the last sheet of a package and the first sheet of the immediately next package, are placed onto a supporting plane at their terminal edges and maintained in position by means engaging the perforations, means being furthermore provided suitable to draw a self-adhesive tape from a source of the same and to apply it across the contacting and the splicing line between the two adjacent sheets, characterized by comprising first pliers means for gripping and carrying forward self-adhesive tape, which are movable along said splicing line above said supporting plane, second means with a pressing roller mounted above said supporting plane and movable along said splicing line, said pliers means comprising first and second gripping elements vertically movable with respect to each other between a removed or releasing position and a closed up or gripping position, said first gripping element being pallet shaped and being vertically positioned below said second gripping element, the latter
  • FIG. 1 is a perspective view with some parts partially removed of the splicing device according to the invention
  • FIG. 2 is a partially longitudinal cross-section view of the device of FIG. 1;
  • FIG. 3 is a partial transverse cross-section of the device of FIG. 1;
  • FIGS. 4, 5, 6 and 7 are views like FIG. 3 of the device of FIG. 1 in the several operating positions.
  • reference number 10 designates a housing and casing covers for a splicing device 11.
  • the device 11 comprises a supporting plane 12 slidably mounted onto guiding and sliding brackets 13.
  • the supporting plane 12 is internally hollow (being formed by a prismatic casing having a substantially trapezoidal cross-section), and its upper surface is formed by a fixed plate 14, wherein an opening 15 is provided.
  • a bridge 16 rigidly mounted to a plate 17.
  • the plate 17, together with the bridge 16, can be displaced parallelly to itself so as to be brought towards or away with respect to the fixed plate 14 and consequently with respect to its terminal edge.
  • cylindrical holes 18 are provided forming the seat for tapered pins 19; the latter are vertically movable between a rest position in which the pins 19 are completely housed in their respective holes 18 and an operating position in which the pins 19 protrude from the surface of the supporting plane 12.
  • two devices are mounted for the cutting of the self-adhesive tape consisting of wire electrical resistances 21 which are energizable by means of suitable electrical connections and are also movable with the pins 19 for instance by means of pneumatic cylinders, between a rest position and an operating position in which pins 19 are raised, although only a small distance, with respect to the supporting plane 12, thus cutting the self-adhesive tape which during the splicing operation covers the same resistances acting as cutting blades.
  • FIG. 2 for sliding of supporting plane 12 two symmetrical guiding and supporting bars are provided, cooperating with ball bearing sleeves 23, fixed by means of brackets 24 to the casing 10.
  • the supporting plane 12 has connected thereto, by means of shoulder 25, a splicing head enclosed by a cover 26.
  • the shoulders 25 are slidably mounted onto guiding and supporting bars 28 (A-B) symmetrically positioned and protruding in a cantilevered fashion from the bottom plate 27. From the same plate two guiding and supporting sliding bars 29 (A,B) protrude in a cantilevered way as well as two screw threaded bars 30 (A,B).
  • the three bars 28B, 29B and 30B support a gripping and dragging device 31 for sliding and gripping of the tape, and reference numeral 32 indicates a pressing device.
  • the gripping and dragging device 31 for the self-adhesive tape 72, it comprises a block 33, substantially L-shaped, to which a pneumatic actuating cylinder 34 is rigidly connected.
  • a support 35 is mounted to block 33, so that support 35 is cross-wise slidable. From a comparison of FIGS. 3 and 4, it is clearly seen how support 35 is displaced in a cross-wise direction by means of cylinder 34 between the rest position of FIG. 3 and the operating position of FIG. 4.
  • pneumatic cylinder 34 is shown in simplified form but it is evident that it cooperates with a double effect piston fastened to the support 35.
  • Two gripping and dragging elements are fastened to the support 35, the fastening being carried out so that the upper element 36 is vertically displaceable with respect to the support 35 and so that the element 37, hereinafter called pliers element, is vertically displaceable with respect to the gripping element 36.
  • the element 36 comprises a cylindrical hole 38 vertically aligned with a cylindrical hole formed in the support 35, and stem 39 is seated into the two holes.
  • Stem 39 forms part of a piston 40 housed in the cylinder 41 which is provided in the body of the support 35 and is fed in a controlled manner by means of air pressure supplied through the duct 42.
  • the stem 38 of the piston 39 is rigidly connected at its end to the gripping element 36 and a spring 43 opposes the downwardly displacement of the piston 40 and thus of the stem 39 reacting between the piston and the seat 44 provided in the support 35.
  • the pliers element 37 is rigidly connected through a stem 45 to a piston 46 slidable into a cylinder 47 provided in the gripping element 36, the displacement of the piston 46 being controlled by air pressure fed to the duct 48 and being resiliently opposed by a contrasting spring 49.
  • the pliers element 37 has the end shaped as a tapered pallet 50, whereby in the position of FIG. 4 namely with the support 35 displaced into the operating position, the pliers element 37 is positioned across the contacting and splicing line, indicated by the reference 51 in FIG. 1.
  • the movement of the gripping and dragging device 31 along the bars 29B, 28B is controlled by an internally threaded sleeve 52B, rigidly fixed to the block 33, the screw threaded bar 30B being rotated by means of a kinematic device positioned at rear end and actuated from a reversible electrical motor 53 through the chain 54, the pinion 55 and the chain 56. Since it is a motion transmission of conventional type, a more detailed description is not necessary, it being meant that the screw threaded bar 30B is rotated in either direction for the number of rotations needed to sequentially displace the screw threaded sleeve 52B and consequently the gripping device 31 in the several desired positions.
  • the pressing roller device 32 comprises a block 57 also L-shaped as the block 33, with respect to which it is mirror like symmetrically as regards the engagement with the bars 28A, 29A and the actuation through the screw threaded bar 30A and the screw threaded sleeve 52A cooperating therewith.
  • a support 58 rigidly fastened to the lower end of the block 57 is vertically movable between the rest position of FIG. 6 and the operating or pressing position of FIG. 7.
  • the support 58 is rigidly connected to the end of the stem 59 of the piston 60 housed into a cylinder 61, the stem being slidable within a cylindrical hole formed in the base of the block 57.
  • a feed 62 of air pressure is provided whereas the operating displacement of the piston 60 is opposed by a spring 63.
  • a pin 64 prevents the support 58 from rotating around the axis of the stem 59 and a pressure roller 65, covered by a suitable anti-adhesive material, is mounted to the support 58 by means of the pin 66, the roller being positioned so as to be placed across the splicing line 51 and having an axial length corresponding to that of splicing self-adhesive tape 72.
  • the latter is drawn from a bobbin housed in the supporting plane 12, which is moreover provided with the control photocell 67 fastened to the displaceable plane 17 and having the subsequently described function.
  • the device it is first of all to be pointed out that it must be retractable so that, once the splicing operation is carried out, the package from which the first sheet has been drawn can be freely displaced in substitution of that feeding the printer, when the latter package is exhausted.
  • pins 19 must be retractable, since they, when occupying the protruding position serve to position with precision the two sheets to be spliced so that their head edges are exactly approached at the splicing line 51, without hindering the return or withdrawal of the splicing device once a displacing operation is carried out, for the above indicated reasons.
  • the splicing plane 12 is extracted, by displacing it along the guiding and sliding bars 22, whereby also the splicing head is extracted.
  • the first operation is that of the actuation of the piston 46, whereby the pliers element 37 is lowered with respect to the supporting plane so as to be removed from the gripping element (FIG. 3).
  • Actuation of cylinder 34 causes the support 35 to be displaced to the left (looking at FIG. 3), and the pliers element then takes the position below the self-adhesive tape 72, the free end of which, resulting from the next preceeding splicing operation, remained laid down between the cutting resistance 21 and residual rear part of the supporting plane 12. Otherwise stated the pliers element 37 is inserted below the tape 72 in the space indicated by the reference 68 in FIG. 2.
  • the device 31 is now ready for laying the tape 72 with the adhesive surface downwardly directed and this operation is carried out by controlling the rotation of the screw threaded bar 30B, whereby the screw threaded sleeve 52B and the block 33 are displaced towards the end of the splicing head until the terminal edge of the supporting plane is trespassed, then stopping in the position of the device 31 as illustrated by solid lines in FIG. 2.
  • the self-adhesive tape 72 laid down along the contact or splicing line 51, is lowered and comes into contact with the adjacent edges of the two sheets to be spliced.
  • the pressing device is actuated by rotating the screw threaded bar 30A, by which the displacement of the block 57 and thus of the device 32, starting from the position illustrated in solid lines in FIG. 2, is caused to take place.
  • the cutting resistances 21 are energized, namely the electrical power is switched on and the same resistances are pushed upwardly thus cutting the adhesive tape 72 flush of the said edges of the two sheets to be spliced.
  • the cylinder and piston assembly 60,61 is deenergized, whereby under the effect of the springs 63 the support 58 and the roller 65 are lifted with respect to the plane 12; thereafter the screw threaded bar 30A is rotated in the opposite direction and the device 32 comes back to the rest position.
  • the cylinder 34 is actuated in an opposite direction with respect to the preceding one, thus bringing the support 35 into the position of FIG. 3, and lastly the bar 30B is rotated in an opposite direction whereby the device 31 is brought back to the initial position.
  • the last operation is that of deenerginizing the pneumatic cylinders 20 whereby the pins 19 are lowered with respect to the supporting plane 12, thus causing the spliced sheets to be freed, and lastly the supporting plane 12 is brought back together with the splicing head.
  • the front panel of the splicing plane 12 is provided with control push buttons, it being meant that the operating sequence can be made totally automatic, without manual intervention, apart from that of positioning the two sheets to be spliced and the actuation of the push button for starting the splicing cycle.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
US07/097,195 1986-09-17 1987-09-16 Splicing device for sheet material Expired - Fee Related US4832786A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT21738A/86 1986-09-17
IT8621738A IT1206350B (it) 1986-09-17 1986-09-17 Dipsositivo di giunzione per materiale in foglio.

Publications (1)

Publication Number Publication Date
US4832786A true US4832786A (en) 1989-05-23

Family

ID=11186177

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/097,195 Expired - Fee Related US4832786A (en) 1986-09-17 1987-09-16 Splicing device for sheet material

Country Status (4)

Country Link
US (1) US4832786A (fr)
EP (1) EP0260694A3 (fr)
JP (1) JPS63147753A (fr)
IT (1) IT1206350B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004515A (en) * 1988-04-22 1991-04-02 Kabushiki Kaisha Sankyo Seiki Seisakusho Automatic paper feeder
US5242527A (en) * 1989-02-09 1993-09-07 Industria Grafica Meschi S.R.L. Splicing apparatus for printer supply
EP1178148A3 (fr) * 2000-08-01 2004-04-28 Giuseppe Caccia Dispositif pour l'application automatique des bandes pour la protection des coutures sur des étoffes en mouvement
US20070236110A1 (en) * 2004-12-29 2007-10-11 Sca Hygiene Products Ab Hands-free paper towel dispenser and dispensing system
CN116619921A (zh) * 2023-06-25 2023-08-22 杭州兆臻网络科技有限公司 一种自助打印终端

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769140A (en) * 1972-01-04 1973-10-30 Eastman Kodak Co Adjustable web splicing device
US4289556A (en) * 1979-08-06 1981-09-15 Paper, Inc. Method and apparatus for splicing folded paper
US4421590A (en) * 1980-06-23 1983-12-20 Wully S.A. Apparatus for the splicing of sheet material, particularly for the continuous feeding of fast printing machines
US4526638A (en) * 1982-07-17 1985-07-02 Hurley Moate Engineering Company Limited Apparatus and method for joining webs
US4564184A (en) * 1983-08-04 1986-01-14 Siemens Aktiengesellschaft Pasting station for a fast printer
US4576673A (en) * 1984-07-19 1986-03-18 Mauro Lenzi Service unit intended to continuously supply a high-speed printer with preformed support packages

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827104A (en) * 1956-08-09 1958-03-18 Universal Business Machines Forms splicing machine
GB920528A (en) * 1960-08-19 1963-03-06 Paragon Ab Oy Improvements in or relating to devices for joining stationery
ATE76358T1 (de) * 1984-07-13 1992-06-15 Mauro Lenzi Ununterbrochene papierzufuhr fuer einen schnelldrucker.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769140A (en) * 1972-01-04 1973-10-30 Eastman Kodak Co Adjustable web splicing device
US4289556A (en) * 1979-08-06 1981-09-15 Paper, Inc. Method and apparatus for splicing folded paper
US4421590A (en) * 1980-06-23 1983-12-20 Wully S.A. Apparatus for the splicing of sheet material, particularly for the continuous feeding of fast printing machines
US4526638A (en) * 1982-07-17 1985-07-02 Hurley Moate Engineering Company Limited Apparatus and method for joining webs
US4564184A (en) * 1983-08-04 1986-01-14 Siemens Aktiengesellschaft Pasting station for a fast printer
US4576673A (en) * 1984-07-19 1986-03-18 Mauro Lenzi Service unit intended to continuously supply a high-speed printer with preformed support packages

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004515A (en) * 1988-04-22 1991-04-02 Kabushiki Kaisha Sankyo Seiki Seisakusho Automatic paper feeder
US5242527A (en) * 1989-02-09 1993-09-07 Industria Grafica Meschi S.R.L. Splicing apparatus for printer supply
EP1178148A3 (fr) * 2000-08-01 2004-04-28 Giuseppe Caccia Dispositif pour l'application automatique des bandes pour la protection des coutures sur des étoffes en mouvement
US20070236110A1 (en) * 2004-12-29 2007-10-11 Sca Hygiene Products Ab Hands-free paper towel dispenser and dispensing system
US7954405B2 (en) * 2004-12-29 2011-06-07 Sca Hygiene Products Ab Hands-free paper towel dispenser and dispensing system
US20110210137A1 (en) * 2004-12-29 2011-09-01 Sca Hygiene Products Ab Hands-free paper towel dispenser and dispensing system
CN116619921A (zh) * 2023-06-25 2023-08-22 杭州兆臻网络科技有限公司 一种自助打印终端
CN116619921B (zh) * 2023-06-25 2023-11-10 杭州兆臻网络科技有限公司 一种自助打印终端

Also Published As

Publication number Publication date
JPS63147753A (ja) 1988-06-20
IT1206350B (it) 1989-04-14
EP0260694A3 (fr) 1990-01-17
EP0260694A2 (fr) 1988-03-23
IT8621738A0 (it) 1986-09-17

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Legal Events

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LAPS Lapse for failure to pay maintenance fees
FP Lapsed due to failure to pay maintenance fee

Effective date: 19930523

STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362